. >>> tuesday is the 11th anniversary of the 9/11 terror attacks on the united states. people across the country are holding memorial ceremonies for victims. terrorists flew hijacked planes into the twin towers of the world trade center in new york and the pentagon in the state of virginia. they killed nearly 3,000 people. a memorial ceremony is under way at the site of the world trade center. [ bell ringing ] people observed a moment of silence at 8:46 a.m., the exact time the plane hit one of the towers. bereaved family members then read out the names of the victims. the landscape at ground zero is changing. the memorial park was opened there last year. a 500-meter high skyscraper is also being built, which will be the tallest in the u.s. when it's finished next year. some people worry that memories of the terror attacks are as painful as other. others say people who weren't affecting are gradually forgetting the event as anniversaries come and go. >>> china's foreign ministry spokesperson has urged japan to withdraw its decision on the purchase of disputed islands in